Ferrari brings broad aero revisions to Austin GP

Ferrari brought a broad set of aerodynamic revisions to the United States Grand Prix in Austin, while Lewis Hamilton characterized the expected performance gain as about half a tenth. Charles Leclerc then set the fastest time in first practice, though a single session does not establish whether the package will deliver a lasting improvement. The team’s submission to the FIA lists changes to the floor, floorboards, sidepod inlet and diffuser. The details include a redesigned floor leading edge, reshaped inboard board elements and revised diffuser features. Ferrari said the revisions are intended to increase downforce at the front and rear of the floor and improve airflow stability toward the back of the car. Hamilton said Thursday that the upgrade was very small, estimating its gain at less than a tenth, roughly half a tenth. He also said he did not expect it to close Ferrari’s deficit enough to challenge, while allowing that the Austin circuit might suit the car. His estimate is an assessment, not a measured result of the changes. Leclerc recorded a best lap of 1:36.052 in Friday’s opening practice. Max Verstappen was 0.084 seconds behind; a quicker soft-tyre lap by the Red...